Threat Intelligence / CVE / CVE-2026-43760

CVE-2026-43760 — Apple macOS

CVSS v3.1 8.6 (HIGH) · EPSS 0.2% (higher than 15.3% of all scored CVEs) · Priority 6.9/10 · Published 2026-07-27

As of 2026-07-30, CVE-2026-43760 is a HIGH-severity vulnerability in Apple macOS, CVSS v3.1 8.6, EPSS 0.2% (15.3th percentile). Threadlinqs Intelligence links 3 tracked threat campaigns to CVE-2026-43760, most recently “Apple Ships 273-CVE Coordinated Security Update Across iOS 27, macOS, watchOS, tvOS, visionOS, Safari, and Xcode — Bundles a Previously KEV-Listed Pre-Auth Screen Sharing RCE”.

Last updated: 2026-07-30

What is CVE-2026-43760?

An access issue was addressed with improved access restrictions. This issue is fixed in macOS Sonoma 14.8.8, macOS Tahoe 26.6. An app may be able to access user-sensitive data.

The record classifies CVE-2026-43760 under weakness class CWE-284. Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs no prior authentication, needs no user interaction, and has high impact on confidentiality. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 53 days ago.

Severity and exploitation probability

CVSS v3.1 base score: 8.6 — HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L
EPSS (FIRST): 0.2% probability of exploitation in the next 30 days, higher than 15.3% of all scored CVEs
CISA KEV: Not listed in the CISA Known Exploited Vulnerabilities catalog
Threadlinqs priority: 6.9/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
Published: 2026-07-27, last modified 2026-07-30

Is CVE-2026-43760 being exploited?

Weaponised exploit code for CVE-2026-43760 is publicly available. 1 public proof-of-concept repository is tracked for this identifier.

trickest/cve (trickest)

Affected products and versions

Apple: macOS

How to fix CVE-2026-43760

Vendor advisory: https://support.apple.com/en-us/128067. Apply the vendor fix referenced above to every affected product listed in this record, then confirm the running version against the vendor advisory.

Threat activity tracking CVE-2026-43760

3 tracked threats in the Threadlinqs corpus reference CVE-2026-43760, either in the campaign’s CVE list or as an indicator on the campaign record.

Apple Ships 273-CVE Coordinated Security Update Across iOS 27, macOS, watchOS, tvOS, visionOS, Safari, and Xcode — Bundles a Previously KEV-Listed Pre-Auth Screen Sharing RCE — CRITICAL · 2026-09-15
CVE-2026-43760: macOS Screen Sharing Logic Flaw Allows VNC-Authenticated Root Command Execution — CRITICAL · 2026-08-16
CVE-2026-65400: macOS Screen Sharing Authentication Bypass Grants Unauthenticated Root Access — CRITICAL · 2026-08-07

Sources

Enriched from CVE.org, NVD, FIRST EPSS, GitHub Security Advisories, public proof-of-concept repositories. Last verified by Threadlinqs on 2026-08-17. This product uses the NVD API but is not endorsed or certified by the NVD.

Other references

Full detection coverage & IOCs for threats exploiting CVE-2026-43760 are available via the Threadlinqs MCP server (Purple tier). View plans →

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